Improvement in finishing cast-metal harness-trimmings



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FINISHING CAST-METAL HARNESS-TRIMMINGS. No.182,081. PatentedrSept.lZ,1876.

face is obtained.

UNITED lSTATES PATENT OFFICE.

JOSEPH PARRY, OF NEWARK, NEW JERSEY, ASSIGNOR TO WIENER & OO.,

OF SAME PLAGE.

IMPROVWEMENT IN FINISHING CAST-METAL HARNESS-TRIMMINGS.

Specification forming part of Letters Patent No. 182,08 l, dated September 12, 1876; application tiled July 1e, 1876.

cation:

Figure 1 is a view of a harness-terret. Fig. 2 is a View ofthe frame of a buckle.

They represent parts of the work done byV my improved process. The process is applicable to all kinds of harness and carriage trimmings.

In my process the compound metal trimmings, cast from patterns, are pickled oft' in proper acids, and placed in hard-metal dies of the required shape and pattern, andare struck up under a heavy hammer or press for a time, and are then taken out from the dies and annealed, when they are again struckup, and the same is repeated until the required sur- This process closes up all the pores or defects in the casting, hardens, and makes durable the metal, and gives a Smooth clean surface. There is added a large element of so-V obtained by no process in use, and at the' same time the cost of finishing is materially.

lessened.

Therefore what I claim as my invention, and desire to secure by Letters Patent, is

The new and improved process of finishing cast-metal harness andcarriage trimmings, consisting in placing the various patterns, after they7 have been properly pickled on", in suitable dies under a hammer or press, and

of again annealing and striking up until the desired surface is obtained, substantially as and for the purposes speciled.

JOSEPH PARRY. Witnesses:

HORACE HARRIS, J oHN C. TUNBRIDGE. 

